viii CONTENTS 



CHAPTER PAGE 



IX. SCHIZOMYCETES. BACTERIA ....-.'.'.,.... 103 



I . Bacteriaceae 1 06 



II. Black Rot of Cabbage 107 



III. Wilt of Sweet Corn in 



IV. Crown Gall of Apple, Peach, and Other Plants . . . 114 

 V. Olive Knot, or Tubercle-Disease of the Olive . . . . 1 1 8 



VI. Bean Blight . . . . 119 



VII. Hyacinth Disease . . -. ; ..-..? . 120 



VIII. Bundle Blight of Sugar Cane 120 



IX. Pseudomonas : Other Species . : . ", -. 120 



X. Pear Blight ..-..'., . . . . 121 



XI. Wilt of Cucurbits . . . . . . . . :".... 129 



XII. Soft Rot of Carrot and Other Vegetables 131 



XIII. Soft Rot of the Calla. -.-<*. . .-. . ... 133 



XIV. Wilt of Solanaceae . . . , : .- v . v . . . 134 

 XV. Bacillus: Other Species . . . . . . ;- . . . . 134 



X. PHYCOMYCETES . . .V . ' . : ". . .-'";' ''.- . ; .... 135 



I. Chytridiales . . . - ';'' ; - : . . ' . ';""' . '"." .... 136 



II. Synchytriaceae . --; :-.* . 136 



III. Cranberry Gall . . . / 138 



IV. Pycnochytrium Globosum (Schroet.) Schroet 139 



V. Chytridiales: Other Species 139 



VI. Saprolegniales . . . . . " ,V '. . . . . . . 140 



^VII. A Damping-off Fungus . . '141 



VIII. Brown Rot of the Lemon 144 



IX. Peronosporales . ." , . . . 147 



X. White " Rust " of Crucifers . . - ;V 149 



XI. Cystopus: Other Species ^ -."'. -^-; 152 



XII. Downy Mildew of the Grape . . > . . ... . 152 



XIII. Downy Mildew of the Cucumber 158 



XIV. Sclerospora .' . ,. . . . 161 



XV. Downy Mildew of Crucifers . . . . ,- . . . . 161 



XVI. Onion Mildew '. . . . ... 162 



XVII. Peronospora : Other Species 164 



XVIII. Downy Mildew of the Lettuce . .... . . . . 164 



XIX. The Late Blight and Rot of the Potato 165 



XX. Downy Mildew of Lima Beans iji 



XI. ASCOMYCETES ' . 1 74 



I. Exoascaceae > ; -.&&&. ~i' - i?5 



II. Peach Leaf Curl . . . v, i t , v *;, ; j ., 176 



III. Plum Pockets , .' .. ... 183 



IV. Witches' Broom of the Cherry 185 



V. Helotiaceae . . .. . . ." : . ._ . '.'"', . " v"." 185 



VI. Sclerotinia . 186 



